v3.26.1
DEBT - Narrative (Details)
ر.ع. in Millions
3 Months Ended 9 Months Ended 12 Months Ended
Sep. 17, 2024
USD ($)
Aug. 14, 2024
USD ($)
extension
Jun. 30, 2026
USD ($)
Jun. 30, 2026
USD ($)
Sep. 30, 2025
USD ($)
Jun. 30, 2026
OMR (ر.ع.)
Jun. 19, 2023
USD ($)
Sep. 29, 2021
USD ($)
Debt Instrument [Line Items]                
Long-term debt     $ 1,877,735,000 $ 1,877,735,000 $ 2,082,880,000      
Book Value     1,862,116,000 1,862,116,000 2,063,943,000      
Current portion of long-term debt, net     6,859,000 $ 6,859,000 6,859,000      
Revolving commitments under amended credit facility expire   $ 775,000,000.0            
Secured Debt                
Debt Instrument [Line Items]                
Maximum borrowing capacity   400,000,000.0            
Debt term after funding       2 years        
Debt extinguishment expense     140,000,000.0 $ 200,000,000.0        
Revolving Credit Facility                
Debt Instrument [Line Items]                
Maximum borrowing capacity   950,000,000.0            
Revolving commitments under amended credit facility mature   $ 175,000,000.0            
Line of credit, number of loan extensions | extension   2            
Credit facility maturity term   1 year            
Line of credit facility accordion increase   $ 100,000,000.0            
Notes | Senior Notes                
Debt Instrument [Line Items]                
Face amount of debt $ 1,250,000,000              
Senior Notes Due 2027 | Senior Notes                
Debt Instrument [Line Items]                
Face amount of debt $ 350,000,000.0              
Interest rate (as a percent) 4.65%              
Debt instrument, redemption price, percentage 99.958%              
Senior Notes Due 2029 | Senior Notes                
Debt Instrument [Line Items]                
Face amount of debt $ 350,000,000.0              
Interest rate (as a percent) 4.85%              
Debt instrument, redemption price, percentage 99.883%              
Senior Notes Due 2034 | Senior Notes                
Debt Instrument [Line Items]                
Face amount of debt $ 550,000,000.0              
Interest rate (as a percent) 5.50%              
Debt instrument, redemption price, percentage 99.67%              
Due September 29, 2031                
Debt Instrument [Line Items]                
Face amount of debt               $ 550,000,000.0
Interest rate (as a percent)               2.90%
Long-term debt     550,000,000 550,000,000 550,000,000      
Book Value     $ 546,787,000 $ 546,787,000 $ 546,336,000      
Term Loan Credit Facility                
Debt Instrument [Line Items]                
Weighted average interest rate (as a percent)     5.143% 5.329%        
Term Loan Credit Facility | Minimum                
Debt Instrument [Line Items]                
Line of credit facility, commitment fee percentage (as a percent)   0.10%            
Term Loan Credit Facility | Maximum                
Debt Instrument [Line Items]                
Line of credit facility, commitment fee percentage (as a percent)   0.25%            
Term Loan Credit Facility | Adjusted Secured Overnight Financing Rate (SOFR)                
Debt Instrument [Line Items]                
Interest rate spread (as a percent)   0.10%            
Term Loan Credit Facility | Fed Funds Effective Rate Overnight Index Swap Rate                
Debt Instrument [Line Items]                
Interest rate spread (as a percent)   0.50%            
Term Loan Credit Facility | One Month Adjusted Secured Overnight Financing Rate (SOFR)                
Debt Instrument [Line Items]                
Interest rate spread (as a percent)   1.00%            
Term Loan Credit Facility | Secured Overnight Financing Rate (SOFR) Applicable Margin Rate | Minimum                
Debt Instrument [Line Items]                
Interest rate spread (as a percent)   1.00%            
Term Loan Credit Facility | Secured Overnight Financing Rate (SOFR) Applicable Margin Rate | Maximum                
Debt Instrument [Line Items]                
Interest rate spread (as a percent)   1.625%            
Term Loan Credit Facility | Adjusted Base Rate, Applicable Margin Rate | Minimum                
Debt Instrument [Line Items]                
Interest rate spread (as a percent)   0.00%            
Term Loan Credit Facility | Adjusted Base Rate, Applicable Margin Rate | Maximum                
Debt Instrument [Line Items]                
Interest rate spread (as a percent)   0.625%            
2024 Oman Facility                
Debt Instrument [Line Items]                
Interest rate (as a percent)         5.00%      
Interest rate spread (as a percent)         1.75%      
Long-term debt     $ 45,500,000 $ 45,500,000   ر.ع. 17.6    
Debt instrument, interest rate, fixed percentage (as a percent)         6.00%      
Debt instrument, interest rate period one         2 years      
Repayments of lines of credit     900,000 2,600,000        
Book Value     40,500,000 $ 40,500,000        
Debt service coverage ratio       1.20        
2023 Oman Facility                
Debt Instrument [Line Items]                
Interest rate (as a percent)         5.00%      
Interest rate spread (as a percent)         1.75%      
Long-term debt     37,200,000 $ 37,200,000   ر.ع. 17.6 $ 45,600,000  
Debt instrument, interest rate, fixed percentage (as a percent)         6.00%      
Debt instrument, interest rate period one         2 years      
Repayments of lines of credit     900,000 $ 2,600,000        
Debt service coverage ratio       1.20        
Current portion of long-term debt, net     3,400,000 $ 3,400,000        
2023 Oman Facility | Short-Term Debt                
Debt Instrument [Line Items]                
Repayments of debt       $ 3,400,000        
2018 Credit Facility                
Debt Instrument [Line Items]                
Commitment fee rate (as a percent)       0.15%        
Maximum limit of priority debt on net worth   17.50%            
Borrowings outstanding     0 $ 0        
Available borrowing capacity     $ 950,000,000.0 $ 950,000,000.0        
2018 Credit Facility | Minimum                
Debt Instrument [Line Items]                
Commitment fee rate (as a percent)   0.075%            
2018 Credit Facility | Maximum                
Debt Instrument [Line Items]                
Commitment fee rate (as a percent)   0.20%            
Total debt to total capitalization ratio (as a percent)   55.00%            
2018 Credit Facility | Fed Funds Effective Rate Overnight Index Swap Rate                
Debt Instrument [Line Items]                
Interest rate spread (as a percent)   0.50%            
2018 Credit Facility | Secured Overnight Financing Rate (SOFR)                
Debt Instrument [Line Items]                
Interest rate spread (as a percent)   0.10%            
Spread over SOFR (as a percent)     1.25% 1.25%   1.25%    
2018 Credit Facility | Secured Overnight Financing Rate (SOFR) | Minimum                
Debt Instrument [Line Items]                
Interest rate spread (as a percent)   0.875%            
2018 Credit Facility | Secured Overnight Financing Rate (SOFR) | Maximum                
Debt Instrument [Line Items]                
Interest rate spread (as a percent)   1.50%            
2018 Credit Facility | One Month Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate | Minimum                
Debt Instrument [Line Items]                
Interest rate spread (as a percent)   1.00%            
2018 Credit Facility | Base Rate | Minimum                
Debt Instrument [Line Items]                
Interest rate spread (as a percent)   0.00%            
2018 Credit Facility | Base Rate | Maximum                
Debt Instrument [Line Items]                
Interest rate spread (as a percent)   0.50%            
Unsecured Standalone Line of Credit Facility                
Debt Instrument [Line Items]                
Maximum borrowing capacity     $ 420,000,000.0 $ 420,000,000.0        
Borrowings outstanding     $ 264,700,000 $ 264,700,000